| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <style> |
| .testdiv { |
| display: inline-block; |
| box-sizing: border-box; |
| border: 2px solid blue; |
| position: relative; |
| height: 200px; |
| width: 200px; |
| will-change: transform; |
| } |
| .inner { |
| height: 200px; |
| width: 200px; |
| background-color: green; |
| } |
| .scroller { |
| overflow: scroll; |
| height: 50px; |
| width: 50px; |
| } |
| .scrollcontent { |
| height: 100px; |
| background-color:red; |
| } |
| </style> |
| <script> |
| window.onload = function () { |
| if (!window.internals) |
| return; |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| results.innerText = "Before adding scroller:\n\n" |
| results.innerText += internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION); |
| |
| scroller.removeAttribute("hidden"); |
| |
| results.innerText += "After adding scroller:\n\n" |
| results.innerText += internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION); |
| } |
| </script> |
| <body> |
| <div class="testdiv"> |
| </div> |
| <div id="scroller" class="scroller" hidden><div class="scrollcontent"></div></div> |
| |
| <pre id="results"></pre> |
| </body> |
| </html> |
